/Engine/Plugins/VirtualProduction/DMX/DMXEngine/Source/DMXRuntime/Public/MVR/Types/DMXMVRRootNode.h
Returns the first Child List Node in the Scene
[UDMXMVRChildListNode](API\Plugins\DMXRuntime\MVR\Types\UDMXMVRChildListNode) & GetOrCreateFirstChildListNode()